1 /* 2 * Copyright (C) 2014 BlueKitchen GmbH 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the copyright holders nor the names of 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 4. Any redistribution, use, or modification is done solely for 17 * personal benefit and not for any commercial purpose or for 18 * monetary gain. 19 * 20 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS 24 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * Please inquire about commercial licensing options at 34 * [email protected] 35 * 36 */ 37 38 /* 39 * hfp_ag_demo.c 40 */ 41 42 // ***************************************************************************** 43 /* EXAMPLE_START(hfp_ag_demo): HFP Audio Gateway (AG) Demo 44 * 45 * @text This HFP Audio Gateway example demonstrates how to receive 46 * an output from a remote HFP Hands-Free (HF) unit, and, 47 * if HAVE_POSIX_STDIN is defined, how to control the HFP HF. 48 */ 49 // ***************************************************************************** 50 51 52 #include <stdint.h> 53 #include <stdio.h> 54 #include <stdlib.h> 55 #include <string.h> 56 #include <unistd.h> 57 58 #include "btstack.h" 59 #include "sco_demo_util.h" 60 #ifdef HAVE_POSIX_STDIN 61 #include "stdin_support.h" 62 #endif 63 64 uint8_t hfp_service_buffer[150]; 65 const uint8_t rfcomm_channel_nr = 1; 66 const char hfp_ag_service_name[] = "BTstack HFP AG Test"; 67 68 // PTS 69 // static bd_addr_t device_addr = {0x00,0x15,0x83,0x5F,0x9D,0x46}; 70 // BT-201 71 // static bd_addr_t device_addr = {0x00, 0x07, 0xB0, 0x83, 0x02, 0x5E}; 72 // CC256x 73 // bd_addr_t device_addr = { 0xD0, 0x39, 0x72, 0xCD, 0x83, 0x45}; 74 // Minijamox 75 bd_addr_t device_addr = { 0x00, 0x15, 0x83, 0x5F, 0x9D, 0x46}; 76 77 // static uint8_t codecs[] = {HFP_CODEC_CVSD, HFP_CODEC_MSBC}; 78 static uint8_t codecs[] = {HFP_CODEC_CVSD}; 79 static uint8_t negotiated_codec = HFP_CODEC_CVSD; 80 81 static hci_con_handle_t acl_handle = -1; 82 static hci_con_handle_t sco_handle; 83 static int memory_1_enabled = 1; 84 static btstack_packet_callback_registration_t hci_event_callback_registration; 85 86 static int ag_indicators_nr = 7; 87 static hfp_ag_indicator_t ag_indicators[] = { 88 // index, name, min range, max range, status, mandatory, enabled, status changed 89 {1, "service", 0, 1, 1, 0, 0, 0}, 90 {2, "call", 0, 1, 0, 1, 1, 0}, 91 {3, "callsetup", 0, 3, 0, 1, 1, 0}, 92 {4, "battchg", 0, 5, 3, 0, 0, 0}, 93 {5, "signal", 0, 5, 5, 0, 1, 0}, 94 {6, "roam", 0, 1, 0, 0, 1, 0}, 95 {7, "callheld", 0, 2, 0, 1, 1, 0} 96 }; 97 98 static int call_hold_services_nr = 5; 99 static const char* call_hold_services[] = {"1", "1x", "2", "2x", "3"}; 100 101 static int hf_indicators_nr = 2; 102 static hfp_generic_status_indicator_t hf_indicators[] = { 103 {1, 1}, 104 {2, 1}, 105 }; 106 107 char cmd; 108 109 // GAP INQUIRY 110 111 #define MAX_DEVICES 10 112 enum DEVICE_STATE { REMOTE_NAME_REQUEST, REMOTE_NAME_INQUIRED, REMOTE_NAME_FETCHED }; 113 struct device { 114 bd_addr_t address; 115 uint16_t clockOffset; 116 uint32_t classOfDevice; 117 uint8_t pageScanRepetitionMode; 118 uint8_t rssi; 119 enum DEVICE_STATE state; 120 }; 121 122 #define INQUIRY_INTERVAL 5 123 struct device devices[MAX_DEVICES]; 124 int deviceCount = 0; 125 126 127 enum STATE {INIT, W4_INQUIRY_MODE_COMPLETE, ACTIVE} ; 128 enum STATE state = INIT; 129 130 static void dump_supported_codecs(void){ 131 int i; 132 printf("Supported codecs: "); 133 for (i = 0; i < sizeof(codecs); i++){ 134 switch(codecs[i]){ 135 case HFP_CODEC_CVSD: 136 printf(" CVSD"); 137 break; 138 case HFP_CODEC_MSBC: 139 printf(" mSBC"); 140 break; 141 } 142 } 143 printf("\n"); 144 } 145 146 static int getDeviceIndexForAddress( bd_addr_t addr){ 147 int j; 148 for (j=0; j< deviceCount; j++){ 149 if (bd_addr_cmp(addr, devices[j].address) == 0){ 150 return j; 151 } 152 } 153 return -1; 154 } 155 156 #ifdef HAVE_POSIX_STDIN 157 static void start_scan(void){ 158 printf("Starting inquiry scan..\n"); 159 hci_send_cmd(&hci_inquiry, HCI_INQUIRY_LAP, INQUIRY_INTERVAL, 0); 160 } 161 #endif 162 163 static int has_more_remote_name_requests(void){ 164 int i; 165 for (i=0;i<deviceCount;i++) { 166 if (devices[i].state == REMOTE_NAME_REQUEST) return 1; 167 } 168 return 0; 169 } 170 171 static void do_next_remote_name_request(void){ 172 int i; 173 for (i=0;i<deviceCount;i++) { 174 // remote name request 175 if (devices[i].state == REMOTE_NAME_REQUEST){ 176 devices[i].state = REMOTE_NAME_INQUIRED; 177 printf("Get remote name of %s...\n", bd_addr_to_str(devices[i].address)); 178 hci_send_cmd(&hci_remote_name_request, devices[i].address, 179 devices[i].pageScanRepetitionMode, 0, devices[i].clockOffset | 0x8000); 180 return; 181 } 182 } 183 } 184 185 static void continue_remote_names(void){ 186 // don't get remote names for testing 187 if (has_more_remote_name_requests()){ 188 do_next_remote_name_request(); 189 return; 190 } 191 // try to find PTS 192 int i; 193 for (i=0;i<deviceCount;i++){ 194 if (memcmp(devices[i].address, device_addr, 6) == 0){ 195 printf("Inquiry scan over, successfully found PTS at index %u\nReady to connect to it.\n", i); 196 return; 197 } 198 } 199 printf("Inquiry scan over but PTS not found :(\n"); 200 } 201 202 static void inquiry_packet_handler (uint8_t packet_type, uint8_t *packet, uint16_t size){ 203 bd_addr_t addr; 204 int i; 205 int numResponses; 206 int index; 207 208 // printf("packet_handler: pt: 0x%02x, packet[0]: 0x%02x\n", packet_type, packet[0]); 209 if (packet_type != HCI_EVENT_PACKET) return; 210 211 uint8_t event = packet[0]; 212 213 switch(event){ 214 case HCI_EVENT_INQUIRY_RESULT: 215 case HCI_EVENT_INQUIRY_RESULT_WITH_RSSI:{ 216 numResponses = hci_event_inquiry_result_get_num_responses(packet); 217 int offset = 3; 218 for (i=0; i<numResponses && deviceCount < MAX_DEVICES;i++){ 219 reverse_bd_addr(&packet[offset], addr); 220 offset += 6; 221 index = getDeviceIndexForAddress(addr); 222 if (index >= 0) continue; // already in our list 223 memcpy(devices[deviceCount].address, addr, 6); 224 225 devices[deviceCount].pageScanRepetitionMode = packet[offset]; 226 offset += 1; 227 228 if (event == HCI_EVENT_INQUIRY_RESULT){ 229 offset += 2; // Reserved + Reserved 230 devices[deviceCount].classOfDevice = little_endian_read_24(packet, offset); 231 offset += 3; 232 devices[deviceCount].clockOffset = little_endian_read_16(packet, offset) & 0x7fff; 233 offset += 2; 234 devices[deviceCount].rssi = 0; 235 } else { 236 offset += 1; // Reserved 237 devices[deviceCount].classOfDevice = little_endian_read_24(packet, offset); 238 offset += 3; 239 devices[deviceCount].clockOffset = little_endian_read_16(packet, offset) & 0x7fff; 240 offset += 2; 241 devices[deviceCount].rssi = packet[offset]; 242 offset += 1; 243 } 244 devices[deviceCount].state = REMOTE_NAME_REQUEST; 245 printf("Device #%u found: %s with COD: 0x%06x, pageScan %d, clock offset 0x%04x, rssi 0x%02x\n", 246 deviceCount, bd_addr_to_str(addr), 247 devices[deviceCount].classOfDevice, devices[deviceCount].pageScanRepetitionMode, 248 devices[deviceCount].clockOffset, devices[deviceCount].rssi); 249 deviceCount++; 250 } 251 252 break; 253 } 254 case HCI_EVENT_INQUIRY_COMPLETE: 255 for (i=0;i<deviceCount;i++) { 256 // retry remote name request 257 if (devices[i].state == REMOTE_NAME_INQUIRED) 258 devices[i].state = REMOTE_NAME_REQUEST; 259 } 260 continue_remote_names(); 261 break; 262 263 case HCI_EVENT_REMOTE_NAME_REQUEST_COMPLETE: 264 reverse_bd_addr(&packet[3], addr); 265 index = getDeviceIndexForAddress(addr); 266 if (index >= 0) { 267 if (packet[2] == 0) { 268 printf("Name: '%s'\n", &packet[9]); 269 devices[index].state = REMOTE_NAME_FETCHED; 270 } else { 271 printf("Failed to get name: page timeout\n"); 272 } 273 } 274 continue_remote_names(); 275 break; 276 277 default: 278 break; 279 } 280 } 281 // GAP INQUIRY END 282 #ifdef HAVE_POSIX_STDIN 283 284 // prototypes 285 static void show_usage(void); 286 287 // Testig User Interface 288 static void show_usage(void){ 289 bd_addr_t iut_address; 290 gap_local_bd_addr(iut_address); 291 292 printf("\n--- Bluetooth HFP Audiogateway (AG) unit Test Console %s ---\n", bd_addr_to_str(iut_address)); 293 printf("---\n"); 294 295 printf("a - establish HFP connection to PTS module %s\n", bd_addr_to_str(device_addr)); 296 // printf("A - release HFP connection to PTS module\n"); 297 298 printf("b - establish AUDIO connection\n"); 299 printf("B - release AUDIO connection\n"); 300 301 printf("c - simulate incoming call from 1234567\n"); 302 printf("C - simulate call from 1234567 dropped\n"); 303 304 printf("d - report AG failure\n"); 305 306 printf("e - answer call on AG\n"); 307 printf("E - reject call on AG\n"); 308 309 printf("r - disable in-band ring tone\n"); 310 printf("R - enable in-band ring tone\n"); 311 312 printf("f - Disable cellular network\n"); 313 printf("F - Enable cellular network\n"); 314 315 printf("g - Set signal strength to 0\n"); 316 printf("G - Set signal strength to 5\n"); 317 318 printf("h - Disable roaming\n"); 319 printf("H - Enable roaming\n"); 320 321 printf("i - Set battery level to 3\n"); 322 printf("I - Set battery level to 5\n"); 323 324 printf("j - Answering call on remote side\n"); 325 326 printf("k - Clear memory #1\n"); 327 printf("K - Set memory #1\n"); 328 329 printf("l - Clear last number\n"); 330 printf("L - Set last number\n"); 331 332 printf("m - simulate incoming call from 7654321\n"); 333 // printf("M - simulate call from 7654321 dropped\n"); 334 335 printf("n - Disable Voice Regocnition\n"); 336 printf("N - Enable Voice Recognition\n"); 337 338 printf("o - Set speaker volume to 0 (minimum)\n"); 339 printf("O - Set speaker volume to 9 (default)\n"); 340 printf("p - Set speaker volume to 12 (higher)\n"); 341 printf("P - Set speaker volume to 15 (maximum)\n"); 342 343 printf("q - Set microphone gain to 0 (minimum)\n"); 344 printf("Q - Set microphone gain to 9 (default)\n"); 345 printf("s - Set microphone gain to 12 (higher)\n"); 346 printf("S - Set microphone gain to 15 (maximum)\n"); 347 348 printf("t - terminate connection\n"); 349 printf("u - join held call\n"); 350 printf("v - discover nearby HF units\n"); 351 printf("w - put incoming call on hold (Response and Hold)\n"); 352 printf("x - accept held incoming call (Response and Hold)\n"); 353 printf("X - reject held incoming call (Response and Hold)\n"); 354 355 printf("---\n"); 356 printf("Ctrl-c - exit\n"); 357 printf("---\n"); 358 } 359 360 static void stdin_process(btstack_data_source_t *ds, btstack_data_source_callback_type_t callback_type){ 361 read(ds->fd, &cmd, 1); 362 switch (cmd){ 363 case 'a': 364 log_info("USER:\'%c\'", cmd); 365 printf("Establish HFP service level connection to PTS module %s...\n", bd_addr_to_str(device_addr)); 366 hfp_ag_establish_service_level_connection(device_addr); 367 break; 368 case 'A': 369 log_info("USER:\'%c\'", cmd); 370 printf("Release HFP service level connection.\n"); 371 hfp_ag_release_service_level_connection(acl_handle); 372 break; 373 case 'Z': 374 log_info("USER:\'%c\'", cmd); 375 printf("Release HFP service level connection to %s...\n", bd_addr_to_str(device_addr)); 376 hfp_ag_release_service_level_connection(acl_handle); 377 break; 378 case 'b': 379 log_info("USER:\'%c\'", cmd); 380 printf("Establish Audio connection %s...\n", bd_addr_to_str(device_addr)); 381 hfp_ag_establish_audio_connection(acl_handle); 382 break; 383 case 'B': 384 log_info("USER:\'%c\'", cmd); 385 printf("Release Audio connection.\n"); 386 hfp_ag_release_audio_connection(acl_handle); 387 break; 388 case 'c': 389 log_info("USER:\'%c\'", cmd); 390 printf("Simulate incoming call from 1234567\n"); 391 hfp_ag_set_clip(129, "1234567"); 392 hfp_ag_incoming_call(); 393 break; 394 case 'm': 395 log_info("USER:\'%c\'", cmd); 396 printf("Simulate incoming call from 7654321\n"); 397 hfp_ag_set_clip(129, "7654321"); 398 hfp_ag_incoming_call(); 399 break; 400 case 'C': 401 log_info("USER:\'%c\'", cmd); 402 printf("Simulate terminate call\n"); 403 hfp_ag_call_dropped(); 404 break; 405 case 'd': 406 log_info("USER:\'%c\'", cmd); 407 printf("Report AG failure\n"); 408 hfp_ag_report_extended_audio_gateway_error_result_code(acl_handle, HFP_CME_ERROR_AG_FAILURE); 409 break; 410 case 'e': 411 log_info("USER:\'%c\'", cmd); 412 printf("Answer call on AG\n"); 413 hfp_ag_answer_incoming_call(); 414 break; 415 case 'E': 416 log_info("USER:\'%c\'", cmd); 417 printf("Reject call on AG\n"); 418 hfp_ag_terminate_call(); 419 break; 420 case 'f': 421 log_info("USER:\'%c\'", cmd); 422 printf("Disable cellular network\n"); 423 hfp_ag_set_registration_status(0); 424 break; 425 case 'F': 426 log_info("USER:\'%c\'", cmd); 427 printf("Enable cellular network\n"); 428 hfp_ag_set_registration_status(1); 429 break; 430 case 'g': 431 log_info("USER:\'%c\'", cmd); 432 printf("Set signal strength to 0\n"); 433 hfp_ag_set_signal_strength(0); 434 break; 435 case 'G': 436 log_info("USER:\'%c\'", cmd); 437 printf("Set signal strength to 5\n"); 438 hfp_ag_set_signal_strength(5); 439 break; 440 case 'h': 441 log_info("USER:\'%c\'", cmd); 442 printf("Disable roaming\n"); 443 hfp_ag_set_roaming_status(0); 444 break; 445 case 'H': 446 log_info("USER:\'%c\'", cmd); 447 printf("Enable roaming\n"); 448 hfp_ag_set_roaming_status(1); 449 break; 450 case 'i': 451 log_info("USER:\'%c\'", cmd); 452 printf("Set battery level to 3\n"); 453 hfp_ag_set_battery_level(3); 454 break; 455 case 'I': 456 log_info("USER:\'%c\'", cmd); 457 printf("Set battery level to 5\n"); 458 hfp_ag_set_battery_level(5); 459 break; 460 case 'j': 461 log_info("USER:\'%c\'", cmd); 462 printf("Answering call on remote side\n"); 463 hfp_ag_outgoing_call_established(); 464 break; 465 case 'r': 466 log_info("USER:\'%c\'", cmd); 467 printf("Disable in-band ring tone\n"); 468 hfp_ag_set_use_in_band_ring_tone(0); 469 break; 470 case 'k': 471 log_info("USER:\'%c\'", cmd); 472 printf("Memory 1 cleared\n"); 473 memory_1_enabled = 0; 474 break; 475 case 'K': 476 log_info("USER:\'%c\'", cmd); 477 printf("Memory 1 set\n"); 478 memory_1_enabled = 1; 479 break; 480 case 'l': 481 log_info("USER:\'%c\'", cmd); 482 printf("Last dialed number cleared\n"); 483 hfp_ag_clear_last_dialed_number(); 484 break; 485 case 'L': 486 log_info("USER:\'%c\'", cmd); 487 printf("Outgoing call connected, ringing\n"); 488 hfp_ag_outgoing_call_ringing(); 489 break; 490 case 'n': 491 log_info("USER:\'%c\'", cmd); 492 printf("Disable Voice Recognition\n"); 493 hfp_ag_activate_voice_recognition(acl_handle, 0); 494 break; 495 case 'N': 496 log_info("USER:\'%c\'", cmd); 497 printf("Enable Voice Recognition\n"); 498 hfp_ag_activate_voice_recognition(acl_handle, 1); 499 break; 500 case 'o': 501 log_info("USER:\'%c\'", cmd); 502 printf("Set speaker gain to 0 (minimum)\n"); 503 hfp_ag_set_speaker_gain(acl_handle, 0); 504 break; 505 case 'O': 506 log_info("USER:\'%c\'", cmd); 507 printf("Set speaker gain to 9 (default)\n"); 508 hfp_ag_set_speaker_gain(acl_handle, 9); 509 break; 510 case 'p': 511 log_info("USER:\'%c\'", cmd); 512 printf("Set speaker gain to 12 (higher)\n"); 513 hfp_ag_set_speaker_gain(acl_handle, 12); 514 break; 515 case 'P': 516 log_info("USER:\'%c\'", cmd); 517 printf("Set speaker gain to 15 (maximum)\n"); 518 hfp_ag_set_speaker_gain(acl_handle, 15); 519 break; 520 case 'q': 521 log_info("USER:\'%c\'", cmd); 522 printf("Set microphone gain to 0\n"); 523 hfp_ag_set_microphone_gain(acl_handle, 0); 524 break; 525 case 'Q': 526 log_info("USER:\'%c\'", cmd); 527 printf("Set microphone gain to 9\n"); 528 hfp_ag_set_microphone_gain(acl_handle, 9); 529 break; 530 case 's': 531 log_info("USER:\'%c\'", cmd); 532 printf("Set microphone gain to 12\n"); 533 hfp_ag_set_microphone_gain(acl_handle, 12); 534 break; 535 case 'S': 536 log_info("USER:\'%c\'", cmd); 537 printf("Set microphone gain to 15\n"); 538 hfp_ag_set_microphone_gain(acl_handle, 15); 539 break; 540 case 'R': 541 log_info("USER:\'%c\'", cmd); 542 printf("Enable in-band ring tone\n"); 543 hfp_ag_set_use_in_band_ring_tone(1); 544 break; 545 case 't': 546 log_info("USER:\'%c\'", cmd); 547 printf("Terminate HCI connection. 0x%2x\n", acl_handle); 548 gap_disconnect(acl_handle); 549 break; 550 case 'u': 551 log_info("USER:\'%c\'", cmd); 552 printf("Join held call\n"); 553 hfp_ag_join_held_call(); 554 break; 555 case 'v': 556 start_scan(); 557 break; 558 case 'w': 559 log_info("USER:\'%c\'", cmd); 560 printf("AG: Put incoming call on hold (Response and Hold)\n"); 561 hfp_ag_hold_incoming_call(); 562 break; 563 case 'x': 564 log_info("USER:\'%c\'", cmd); 565 printf("AG: Accept held incoming call (Response and Hold)\n"); 566 hfp_ag_accept_held_incoming_call(); 567 break; 568 case 'X': 569 log_info("USER:\'%c\'", cmd); 570 printf("AG: Reject held incoming call (Response and Hold)\n"); 571 hfp_ag_reject_held_incoming_call(); 572 break; 573 default: 574 show_usage(); 575 break; 576 } 577 } 578 #endif 579 580 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t * event, uint16_t event_size){ 581 switch (packet_type){ 582 case HCI_EVENT_PACKET: 583 switch (event[0]){ 584 case HCI_EVENT_INQUIRY_RESULT: 585 case HCI_EVENT_INQUIRY_RESULT_WITH_RSSI: 586 case HCI_EVENT_INQUIRY_COMPLETE: 587 case HCI_EVENT_REMOTE_NAME_REQUEST_COMPLETE: 588 inquiry_packet_handler(HCI_EVENT_PACKET, event, event_size); 589 break; 590 case HCI_EVENT_SCO_CAN_SEND_NOW: 591 sco_demo_send(sco_handle); 592 break; 593 case HCI_EVENT_COMMAND_COMPLETE: 594 if (HCI_EVENT_IS_COMMAND_COMPLETE(event, hci_read_local_supported_features)){ 595 if (hci_extended_sco_link_supported()){ 596 printf("Supported Codecs: CVSD, mSBC.\n"); 597 } else { 598 printf("Supported Codecs: CVSD. mSBC disabled, eSCO not supported by controller).\n"); 599 } 600 } 601 break; 602 default: 603 break; 604 } 605 606 if (event[0] != HCI_EVENT_HFP_META) return; 607 608 if (event[3] 609 && event[2] != HFP_SUBEVENT_PLACE_CALL_WITH_NUMBER 610 && event[2] != HFP_SUBEVENT_ATTACH_NUMBER_TO_VOICE_TAG 611 && event[2] != HFP_SUBEVENT_TRANSMIT_DTMF_CODES){ 612 printf("ERROR, status: %u\n", event[3]); 613 return; 614 } 615 616 switch (event[2]) { 617 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_ESTABLISHED: 618 acl_handle = hfp_subevent_service_level_connection_established_get_con_handle(event); 619 hfp_subevent_service_level_connection_established_get_bd_addr(event, device_addr); 620 printf("Service level connection established from %s.\n", bd_addr_to_str(device_addr)); 621 622 dump_supported_codecs(); 623 if (hci_extended_sco_link_supported()){ 624 printf("eSCO supported by controller.\n"); 625 } else { 626 printf("eSCO not supported by controller.\n"); 627 } 628 629 break; 630 case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_RELEASED: 631 printf("Service level connection released.\n"); 632 sco_handle = 0; 633 break; 634 case HFP_SUBEVENT_AUDIO_CONNECTION_ESTABLISHED: 635 if (hfp_subevent_audio_connection_established_get_status(event)){ 636 printf("Audio connection establishment failed with status %u\n", hfp_subevent_audio_connection_established_get_status(event)); 637 sco_handle = 0; 638 } else { 639 sco_handle = hfp_subevent_audio_connection_established_get_handle(event); 640 printf("Audio connection established with SCO handle 0x%04x.\n", sco_handle); 641 negotiated_codec = hfp_subevent_audio_connection_established_get_negotiated_codec(event); 642 printf("Using codec 0x%02x.\n", negotiated_codec); 643 sco_demo_set_codec(negotiated_codec); 644 hci_request_sco_can_send_now_event(); 645 } 646 break; 647 case HFP_SUBEVENT_AUDIO_CONNECTION_RELEASED: 648 printf("\n** Audio connection released **\n"); 649 sco_handle = 0; 650 break; 651 case HFP_SUBEVENT_START_RINGINIG: 652 printf("\n** Start Ringing **\n"); 653 break; 654 case HFP_SUBEVENT_STOP_RINGINIG: 655 printf("\n** Stop Ringing **\n"); 656 break; 657 case HFP_SUBEVENT_PLACE_CALL_WITH_NUMBER: 658 printf("\n** Outgoing call '%s' **\n", hfp_subevent_place_call_with_number_get_number(event)); 659 // validate number 660 if ( strcmp("1234567", hfp_subevent_place_call_with_number_get_number(event)) == 0 661 || strcmp("7654321", hfp_subevent_place_call_with_number_get_number(event)) == 0 662 || (memory_1_enabled && strcmp(">1", hfp_subevent_place_call_with_number_get_number(event)) == 0)){ 663 printf("Dialstring valid: accept call\n"); 664 hfp_ag_outgoing_call_accepted(); 665 } else { 666 printf("Dialstring invalid: reject call\n"); 667 hfp_ag_outgoing_call_rejected(); 668 } 669 break; 670 671 case HFP_SUBEVENT_ATTACH_NUMBER_TO_VOICE_TAG: 672 printf("\n** Attach number to voice tag. Sending '1234567\n"); 673 hfp_ag_send_phone_number_for_voice_tag(acl_handle, "1234567"); 674 break; 675 case HFP_SUBEVENT_TRANSMIT_DTMF_CODES: 676 printf("\n** Send DTMF Codes: '%s'\n", hfp_subevent_transmit_dtmf_codes_get_dtmf(event)); 677 hfp_ag_send_dtmf_code_done(acl_handle); 678 break; 679 case HFP_SUBEVENT_CALL_ANSWERED: 680 printf("Call answered by HF\n"); 681 break; 682 default: 683 printf("Event not handled %u\n", event[2]); 684 break; 685 } 686 case HCI_SCO_DATA_PACKET: 687 sco_demo_receive(event, event_size); 688 break; 689 default: 690 break; 691 } 692 } 693 694 static hfp_phone_number_t subscriber_number = { 695 129, "225577" 696 }; 697 698 /* @section Main Application Setup 699 * 700 * @text Listing MainConfiguration shows main application code. 701 * To run a HFP AG service you need to initialize the SDP, and to create and register HFP AG record with it. 702 * The packet_handler is used for sending commands to the HFP HF. It also receives the HFP HF's answers. 703 * The stdin_process callback allows for sending commands to the HFP HF. 704 * At the end the Bluetooth stack is started. 705 */ 706 707 /* LISTING_START(MainConfiguration): Setup HFP Audio Gateway */ 708 709 int btstack_main(int argc, const char * argv[]); 710 int btstack_main(int argc, const char * argv[]){ 711 712 sco_demo_init(); 713 714 // register for HCI events 715 hci_event_callback_registration.callback = &packet_handler; 716 hci_add_event_handler(&hci_event_callback_registration); 717 hci_register_sco_packet_handler(&packet_handler); 718 719 gap_discoverable_control(1); 720 721 // L2CAP 722 l2cap_init(); 723 724 uint16_t supported_features = 725 (1<<HFP_AGSF_ESCO_S4) | 726 (1<<HFP_AGSF_HF_INDICATORS) | 727 (1<<HFP_AGSF_CODEC_NEGOTIATION) | 728 (1<<HFP_AGSF_EXTENDED_ERROR_RESULT_CODES) | 729 (1<<HFP_AGSF_ENHANCED_CALL_CONTROL) | 730 (1<<HFP_AGSF_ENHANCED_CALL_STATUS) | 731 (1<<HFP_AGSF_ABILITY_TO_REJECT_A_CALL) | 732 (1<<HFP_AGSF_IN_BAND_RING_TONE) | 733 (1<<HFP_AGSF_VOICE_RECOGNITION_FUNCTION) | 734 (1<<HFP_AGSF_THREE_WAY_CALLING); 735 int wide_band_speech = 1; 736 737 // HFP 738 rfcomm_init(); 739 hfp_ag_init(rfcomm_channel_nr); 740 hfp_ag_init_supported_features(supported_features); 741 hfp_ag_init_codecs(sizeof(codecs), codecs); 742 hfp_ag_init_ag_indicators(ag_indicators_nr, ag_indicators); 743 hfp_ag_init_hf_indicators(hf_indicators_nr, hf_indicators); 744 hfp_ag_init_call_hold_services(call_hold_services_nr, call_hold_services); 745 hfp_ag_set_subcriber_number_information(&subscriber_number, 1); 746 hfp_ag_register_packet_handler(&packet_handler); 747 hci_register_sco_packet_handler(&packet_handler); 748 749 // SDP Server 750 sdp_init(); 751 memset(hfp_service_buffer, 0, sizeof(hfp_service_buffer)); 752 hfp_ag_create_sdp_record( hfp_service_buffer, 0x10001, rfcomm_channel_nr, hfp_ag_service_name, 0, supported_features, wide_band_speech); 753 printf("SDP service record size: %u\n", de_get_len( hfp_service_buffer)); 754 sdp_register_service(hfp_service_buffer); 755 756 #ifdef HAVE_POSIX_STDIN 757 btstack_stdin_setup(stdin_process); 758 #endif 759 // turn on! 760 hci_power_control(HCI_POWER_ON); 761 return 0; 762 } 763 /* LISTING_END */ 764 /* EXAMPLE_END */ 765